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Intro Astronomy Class 6: Mars (continued) and Asteroids

Posted by Bruce Betts on 2014/03/14 06:10 CDT

Continue exploring Mars and learn about asteroids in this video of class 6 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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My ever-popular asteroids-and-comets montage, now in color, with bonus Toutatis

Posted by Emily Lakdawalla on 2012/12/18 04:26 CST | 9 comments

My collage of all the asteroids and comets visited by spacecraft is probably the single most popular image I have ever posted on this blog. I've now updated it to be in color and to include Toutatis.

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Reading Itokawa's life history from microscopic samples

Posted by Emily Lakdawalla on 2011/09/20 01:58 CDT

When Hayabusa's sample return capsule was first opened and found to be very clean-looking inside, I doubted that there could be enough material for laboratory analysis. JAXA announced later that they scraped about 1500 dust grains from the inside with a teflon spatula, and these likely came from Itokawa.

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LPSC 2011: Analysis of the grains returned by Hayabusa

Posted by Emily Lakdawalla on 2011/03/16 12:39 CDT

I'd been despairing of finding a good source for a writeup of the presentations in the Hayabusa session at last week's Lunar and Planetary Science Conference, but am happy to report that I've finally found an excellent one.

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Hayabusa's return: a review

Posted by Emily Lakdawalla on 2010/06/13 04:47 CDT

Hayabusa's return: round up some of the amazing photos, movies, and artworks that were posted and shared and Tweeted and re-Tweeted over the previous dozen hours or so.

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Hayabusa's coming home

Posted by Emily Lakdawalla on 2010/04/21 10:12 CDT

It really looks like Hayabusa is going to make it home. Hayabusa's sample return capsule will be returning to Earth on June 13, 2010, landing in the Woomera Prohibited Area, Australia at about 14:00 UTC.

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Hayabusa update

Posted by Emily Lakdawalla on 2008/06/01 11:48 CDT

JAXA has posted a note on their website on the status of Hayabusa, which apparently reached aphelion in late May. Hayabusa is Japan's amazing ion-powered mission to asteroid Itokawa, which touched down on Itokawa to grab a sample in mid-November 2005, but suffered an injury that has left in doubt its ability to return the sample capsule to Earth.

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"Return of the Falcon," a new animation of the Hayabusa mission

Posted by Emily Lakdawalla on 2007/11/26 04:38 CST

JAXA has released a 30-minute video of the Hayabusa mission, "Return of the Falcon," combining computer animation with actual footage of the construction and launch as well as images from the spacecraft of Itokawa.

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Big News for Hayabusa: It wasn't hovering, it landed!!

Posted by Emily Lakdawalla on 2005/11/23 07:21 CST

Remember how Hayabusa was virtually still for 30 minutes? JAXA is now saying that Hayabusa actually touched down -- and more than that, they may even have a sample.

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Closer still to Itokawa

Posted by Emily Lakdawalla on 2005/11/19 08:46 CST

Hayabusa reached an altitude of about 560 meters above Hayabusa at 17:30 UTC. And at 18:00 UTC they are at 500 meters. This is still farther above the asteroid than the asteroid is big...there is still a long way to go before Hayabusa touches down...

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Getting ready for Hayabusa's touchdown

Posted by Emily Lakdawalla on 2005/11/18 01:40 CST

In a further update on Hayabusa's status, we have been contacted by Kazuya Yoshida of the Space Robotics Laboratory at Tohuku University. Yoshida reports that the touchdown is now planned to take place "in early morning of November 20 (Sunday) JST", which would make it late Saturday evening UTC, or Saturday midday here in California.

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Another Hayabusa update: small delay

Posted by Emily Lakdawalla on 2005/11/17 08:05 CST

There has been a delay of just about a day in JAXA's plans for landing Hayabusa on Itokawa.

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Amazing Hayabusa images

Posted by Emily Lakdawalla on 2005/11/10 09:36 CST

These photos pretty much speak for themselves. They are amazing. Hayabusa saw its own shadow on Itokawa, and took a photo of the released target marker.

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A piece of a new picture from Hayabusa

Posted by Emily Lakdawalla on 2005/10/04 06:21 CDT

The Hayabusa mission has proven to be a bit of a tease -- they were releasing lots of images to the public as they approached asteroid Itokawa, but once they arrived, the image releases shut down entirely. There is finally a little postage stamp of an image captured by Hayabusa at "home position," only 7 kilometers from the asteroid, compared here to a picture taken from "gate position," 20 kilometers away.

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An animation of Itokawa from Hayabusa

Posted by Emily Lakdawalla on 2005/09/07 01:45 CDT

This lovely animation of Itokawa represents 20 individual images taken between 18:10 on September 5 and 00:30 on September 6, from a distance of less than 700 kilometers away.

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